Frequencies for first 10,000 rows of totnonmed variable in nhamcsopd2005 dataset :

  total number of |
   non-medication |
       treatments |      Freq.     Percent        Cum.
------------------+-----------------------------------
                0 |      7,341       73.41       73.41
                1 |      1,907       19.07       92.48
                2 |        708        7.08       99.56
                3 |         37        0.37       99.93
                4 |          7        0.07      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016